20449128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{121721}}^1$

素因数の和:121737

約数の個数: 32

約数和(自身を含む): 58426560

約数和(自身を除く): 37977432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 121721, 243442, 365163, 486884, 730326, 852047, 973768, 1460652, 1704094, 2556141, 2921304, 3408188, 5112282, 6816376, 10224564, 20449128]

約数ペア:

[(1, 20449128), (2, 10224564), (3, 6816376), (4, 5112282), (6, 3408188), (7, 2921304), (8, 2556141), (12, 1704094), (14, 1460652), (21, 973768), (24, 852047), (28, 730326), (42, 486884), (56, 365163), (84, 243442), (168, 121721)]